| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Boss Snakes: Stories and Sightings of Giant Snakes in North America | 978-1-930585-44-7 | 2008 |
| Cryptozoology and the Investigation of Lesser-Known Mystery Animals | 978-1-930585-29-4 | 2006 |
| Cryptozoology: Science & Speculation | 978-1-930585-15-7 | 2004 |
| Herper's Life List: A Field Checklist for the Native and Introduced Herpetofauna of the Continental United States and Canada | 978-1-930585-18-8 | 2004 |
| The Historical Bigfoot | 978-1-930585-30-0 | 2006 |